Threema is the world’s best-selling secure messenger for both private users and businesses. Since 2012, we have been working tirelessly to ensure that our users can communicate freely without worrying about their privacy. Our growing user base includes millions of private customers and thousands of businesses and organizations from all over the world.

We are looking for a Communication Manager (80%) to cover a maternity leave and join our communication team from October 2026 through the end of March 2027.

Your Tasks

• Write a wide range of texts in German and English, with a strong sense of style and a clear focus on the target audience. This includes technical documentation, newsletters, websites, canned responses, app content, release notes, blog posts, social media posts, and more

• Edit and proofread German texts, and translate them into English with a high degree of accuracy and attention to style

• Take ownership of content areas such as our blog and FAQs

• Manage our public communication channels, including our blog, Threema Channel, X, Mastodon, Bluesky, Reddit, newsletters, and press distribution lists

• Coordinate the translation of content into other languages, particularly French and Spanish

• Support our public relations activities and maintain relationships with external stakeholders

• Keep an eye on social, political, and legal developments related to data protection, online security, and instant messaging, and develop appropriate communication measures where needed

Your Skills

• A completed degree or professional education in communication, PR, or journalism, or professional experience in a communication role

• A strong feel for language, excellent spelling and grammar, and the patience to keep refining a text until every word is right

• Excellent writing skills and the ability to explain technical concepts clearly and in an accessible way

• The ability to work within established guidelines while also contributing creative and unconventional ideas

• Excellent German and very good English skills; French and/or Spanish are a plus

• A reliable, passionate team player

• An interest in Internet services, apps, and/or mobile communications is a plus

• An interest in and awareness of security and data protection is a plus

What We Offer

• A young, motivated team with straightforward communication

• Flexible working hours, option to work from home up to two days per week

• Public transportation discount or parking space (electric car charging available)

• Free use of fitness room, including a fitness trainer once a month

• Professional massage once a month

• Internal German or English courses

• A great coffee machine ;-)

• Regular company events and aperitifs

• The good feeling of contributing to the effective protection of the privacy of millions of people

Place of work: Pfäffikon SZ (Greater Zurich Area)

Start date: October 1, 2026 (fixed-term, until the end of March 2027)

Have we sparked your interest?

We believe that diverse teams build better products. We welcome and encourage applications from people of all backgrounds, and perspectives. Your unique experience is an asset, and we’d love to hear from you.

Applications sent via email cannot be considered. Please use the official "Apply" button below so we don't accidentally miss your resume in our crowded inboxes

For agencies: we are filling this role directly and do not accept unsolicited candidate profiles.